类 org.apache.hadoop.io.BooleanWritable
的使用

使用BooleanWritable的程序包

程序包	说明
org.apache.hadoop.examples	Hadoop example code.
org.apache.hadoop.typedbytes	Typed bytes are sequences of bytes in which the first byte is a type code.

org.apache.hadoop.examples中BooleanWritable的使用

参数类型为BooleanWritable的org.apache.hadoop.examples中的方法

限定符和类型	方法和说明
void	PiEstimator.PiReducer.reduce(BooleanWritable isInside, Iterator<LongWritable> values, OutputCollector<WritableComparable<?>,Writable> output, Reporter reporter) Accumulate number of points inside/outside results from the mappers.

类型变量类型为BooleanWritable的org.apache.hadoop.examples中的方法参数

限定符和类型	方法和说明
void	PiEstimator.PiMapper.map(LongWritable offset, LongWritable size, OutputCollector<BooleanWritable,LongWritable> out, Reporter reporter) Map method.

org.apache.hadoop.typedbytes中BooleanWritable的使用

返回BooleanWritable的org.apache.hadoop.typedbytes中的方法

限定符和类型	方法和说明
BooleanWritable	TypedBytesWritableInput.readBoolean()
BooleanWritable	TypedBytesWritableInput.readBoolean(BooleanWritable bw)

参数类型为BooleanWritable的org.apache.hadoop.typedbytes中的方法

限定符和类型	方法和说明
BooleanWritable	TypedBytesWritableInput.readBoolean(BooleanWritable bw)
void	TypedBytesWritableOutput.writeBoolean(BooleanWritable bw)